Move the USB protocol handler into its own file.

right/src/usb_protocol_handler.c

@@ -0,0 +1,26 @@
+#include "usb_protocol_handler.h"
+#include "test_led.h"
+
+void UsbProtocolHandler()
+{
+    uint8_t command = GenericHidInBuffer[0];
+    uint8_t arg = GenericHidInBuffer[1];
+
+    switch (command) {
+        case USB_COMMAND_JUMP_TO_BOOTLOADER:
+            break;
+        case USB_COMMAND_TEST_LED:
+            switch (arg) {
+                case 0:
+                    TEST_RED_ON();
+                    break;
+                case 1:
+                    TEST_RED_OFF();
+                    break;
+            }
+        case USB_COMMAND_LED_DRIVER:
+            break;
+        default:
+            break;
+    }
+}